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Re: [Qemu-devel] [PATCH][RFC] Run time TCGv size check for debugging


From: Paul Brook
Subject: Re: [Qemu-devel] [PATCH][RFC] Run time TCGv size check for debugging
Date: Wed, 29 Oct 2008 20:53:08 +0100
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On Wednesday 29 October 2008, Blue Swirl wrote:
> Hi,
>
> When emulating a mixed 32/64 bit Qemu target CPUs it's easy to confuse
> the TCGv size, passing 32 bit TCGv to a function expecting a 64 bit
> one and vice versa. This patch adds a run time sanity check for TCGv
> sizes.

Would it make more sense to push these down into tcg_gen_op* ?
tcg-op.h is already fairly unwieldy.

I wonder if it's worth adding TCG_LOW to enable checking on 32-bit hosts.

For futureproofing I'd name things FOO_I32 rather than FOO_32.

Paul




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